M25988/1-257

View detailed technical data, stock status, and sourcing information for: M25988/1-257
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part M25988/1-257 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-283-4631

Item Name Code

47946

Assigment Date

08/31/1973 (52 years ago)

70.0 shore durometer a nominal hardness rating, 6.137 inches nominal outside diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 5.824 inches minimum and 5.894 inches maximum center hole diameter, 125 maximum elongation percentage

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Outside Diameter: 6.137 inches nominal
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 5.824 inches minimum and 5.894 inches maximum
Elongation Percentage: 125 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber fluorosilicone class fq

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
M25988/1-257	O-Ring
MILR25988-1	O-Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5331-00-283-4631?

The FSCG of the NSN 5331-00-283-4631 is 5331

Does the NSN 5331-00-283-4631 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-283-4631 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5331-00-283-4631 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-283-4631 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5331-00-283-4631 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Aug 31, 1973